Is it a new microwave, and has done this since you first brought it home, or did you have the microwave for a while, and it just started tripping the breaker? So we can't run the dishwasher or toaster oven with the microwave or the breaker will flip. ©1999 - 2021 AppliancePartsPros.com®. If your microwave oven blows a fuse, there are a couple possible causes. **If you can see this please switch to Old Reddit**. Did it start tripping the breaker intermittently and get worse. Clock, light, timer set work. We're open and continuing to ship packages On Time! Sp> on the circuit. The repairman said, that LG told him, that because the stove clock is on the same line, it could cause interference that'd trip the breaker. Start Pad was not pressed after programming. The door is not closed completely. Also because a higher value capacitor will increase the voltage, it could make the magnetron burn out. You can check everything but the inverter with a multimeter, but first unplug the AC power for 30 minutes, then discharge the big capacitor. I can turn the light on, I can start the exhaust fan but when I run a cycle the microwave shuts off and trips the breaker. Also counts down but doesn't heat. No other appliance in this home has caused any trips. Shorted magnetron, transformer, or maybe a bad diode off the capacitor. Clock, light, timer set work. When the microwave is fuller, it works fine. There's a short in either the magnetron, high voltage capacitor, high voltage diode feeding the capacitor & magnetron, or, because this is a Panasonic inverter oven, the inverter. This sub is designed and dedicated to remaining Old Reddit style. Reset breaker, clock, light and fan vent works but place bowl of water inside, press … read more Breaker (Murray MP-GAT2 20AMP). If the microwave trips that breaker, then you know the microwave is at fault. Many things can cause a microwave to trip breakers. Start Right Here Find appliance parts, lawn & garden equipment parts, heating & cooling parts and more from the top brands in the industry here. Turn the microwave on and see what happens. Click on Shop Parts, or select the kind of product you're working with on the left and we'll help you find the right part. Anybody have any idea what could be causing this? Get more answers from the people in your networks. Receive discounts, usage tips, and recall notices. Its 44 linear inches from the microwave to the sink. There is little you can do to diagnose it unless you have a volt/ohm meter. ), so I suspect it is the problem. I looked for a shirt but all the wiring appears good as well. I replaced the main fuse and power came back on the microwave and then I opened the microwave door and it tripped the fuses again. The proper way is to connect the terminals together for a few minutes with an approx. I have a brand new Bosch Microwave (model: hmd8451uc) installed as the only device on the entire circuit. GE Microwave trips breaker seconds after start is pressed. Unit is only abought 15 months old, We are Safe, Secure, Dependable and Trusted. If you can't unplug your microwave, the socket and plug may have fused together, in which case you'll need to turn of the electricity supply and try applying a little force to get them to come apart. Press Start Pad. If the appliance trips the breaker, the problem lies with the microwave, and you’ll need to either repair or replace it. Can not use at all now. Microwave pops curcit breaker when start button is pushed. I have moved the oven to Sp> another outlet and it doesn't trip other breakers. This would be the best-case scenario for sure. These will be the most likely cause that would cause the microwave to pop the breaker. I have a new Panasonic Inverter microwave; my old microwave exhibited this same problem. Microwaves have a life expectancy of nine, according to the National Association of Home Builders. I have a Panasonic microwave with a built in exhaust fan from around 2011. If for some reason there's no inverter, then I seriously doubt that any big transformer is bad because they tend to be extremely reliable. Tried it on different dedicated line and still breaker pops. When START is pressed, however, the microwave runs for half a second before the circuit breaker trips. Plug another appliance into the outlet to check if it is working. The voltage should change when you reverse the polarity of the hook-up. Dave’s Reply: Thanks for your electrical wiring question Kathy. If the breaker does not trip while testing on a higher amp circuit, then you know the microwave is not faulty and a dedicated circuit is needed in your kitchen for the microwave. GE Profile 2160, installed in wall. Ge microwave tripping breaker when door is opened. Just as most homes are equipped with fuses or circuit breakers, microwave ovens also have fuses that short out or blow in the event of an overload. When a breaker trips, its switch automatically flips to the “OFF” position, and it must be manually turned back on in order for electricity to flow through the circuit again. Your microwave may be tripping the power due to an issue with its electricity supply. From time to time we notice the microwave trips the electric panel. The clock can still … read more If throw it away, the world will have one more trash and I will have to spend some more money to bring back a new one. It is over 6 ft from the outlet to the faucet. An electrical circuit breaker is a switching device that can be operated automatically or manually for controlling and protecting the electrical power system, and the electrical devices connected to it. First, test to see if the problem is related to the way the microwave is functioning. GE Microwave trips breaker seconds after start is pressed. REASONS WHY YOUR MICROWAVE IS TRIPPING YOUR BREAKER When an appliance such as a microwave oven repeatedly trips the circuit breaker, it’s overloading the electrical circuit, which is rated to handle a finite number of amps. I decided to open the microwave oven to see if I can save it. All rights reserved. 100,000 ohm resistor rated for at least 10-20 watts, remove the resistor, and then short the terminals together with a screwdriver shaft. The circuit breaker trips when too much electricity flows through it or when it cannot handle the excess current load. Share it! It is on a dedicated line. If you replace the capacitor, get the same value in microfarads (uF) because it sets the output power, and a different value could mess up the calibrations of all the auto cooking modes. A component could have failed, or some wire in the transformer or magnetron... New comments cannot be posted and votes cannot be cast, More posts from the appliancerepair community. We recommend taking a look at the socket to see whether it might have melted. Use a screwdriver with a plastic handle -- wrapping electrical tape around a metal or wooden handle is not enough. Answered by AppliancePartsPros.com   |   Wednesday, January 17, 2018. Press question mark to learn the rest of the keyboard shortcuts. Test to see if the microwave is malfunctioning. It Has steadily gotten worse in last month. Microwave is tripping breaker when door open button is pushed. Whether or not the microwave has a dedicated circuit, the microwave may be tripping the breaker because there’s something wrong the the microwave itself that’s causing it to pull too much electrical juice. It could be a simple issue with the microwave having a blown fuse or it may be time to get a new microwave oven . You will want to check the door switches on the unit to make sure that the switches are good. Eaton BR breakers, I was using a 20 amp AFCI breaker with a Sharp R-402FW microwave (don't know the age, came with the house). Close the oven door securely. Hello everyone, I have a Panasonic microwave with a built in exhaust fan from around 2011. It would trip in the middle of cooking after a random time. Anytime I use the Microwave on this circuit, it triggers the breaker's ARC Fault. Here's an authoritative source about microwave oven repair:https://www.repairfaq.org/sam/micfaq.htm. Circuit breaker or fuse is tripped or blown. 8/15/2013. Tags . An old-style analog multimeter that uses a 9V battery will work, if you set it to one of the high ohms scales. Microwave trips the breaker instantly after starting the cycle. The diode is actually several diodes in series, so more voltage is needed to turn them on. The lights and fans work fine. Thanks for the suggestion but we have ours wired to it’s own breaker. Would like to know if fixable. I can't imagine closing the door would draw a lot Sp> of current! Tried it on different dedicated line and still breaker pops. If your microwave is plugged into a GFCI breaker outlet and it keeps tripping, the outlet itself may be at fault. ANSWER Colin, I think that indicates a short, even if the wires look good. Microwave Oven that is Tripping a … ANy ideas what Sp> might be happeing? Once the microwave exceeds that number the breaker is tripped and the electrical flow is shut off. My microwave oven trips the breaker when it cycles. The magnetron may be shorted to case because one of the feed-through capacitors has failed. Breakers involved are Siemens QAF2 CAFCI. Once we set the panel again it works fine but randomly it trips again. Also, installing an outlet with a lower amperage rating than the circuit breaker can interrupt the breaker's tripping mechanism when the maximum rated current is exceeded. Otherwise, the breaker can trip prematurely. Call the experts at Hoffman Electrical & A/C for a free estimate, or if you’re uncertain whether or not your microwave oven has its own dedicated circuit. August 1st, 2012. Unit is only abought 15 months old I have a whirlpool microwave GH5184XPB that trips the circuit breaker (at the house panel, not the internal fuse) when I start the microwave element. Reset circuit breaker or replace fuse. The door switches appear to be okay, tested with a multimeter to confirm. The magnetron also has a permanent magnet in the shape of a donut, and if it's cracked or crumbled the magnetron needs replacement. If the switches check ok then look for any damaged wiring. Only pops the breaker when I push start button. If the circuit breaker related to that area trips… And if it blows the fuse for your kitchen, there also is a likely cause for that. Only pops the breaker when I push start button. For GE Switch Micro (Part Number: AP5790848). If the microwave oven doesn’t trip the breaker, you’ll need to have a dedicated circuit installed to prevent further issues. Can not use at all now. Cause #1: The microwave is malfunctioning. The breaker is 20 amp, and the microwave is rated at 14 amps. This isn't quite proper, but you short the 2 terminals of the big capacitor together with the screwdriver shaft to discharge it. Tried to use it this morning and it tripped circuit breaker again as soon as you push "start". Microwave pops curcit breaker when start button is pushed. It is plugged into a dedicated circuit on the house wiring. Or you can use a digital multimeter if you apply 9V - 20V DC to the diode through a 100K ohm resistor and measure the voltage across the diode. Also measure between the 2 leads to check the resistance of the cathode heater. I can turn the light on, I can start the exhaust fan but when I run a cycle the microwave shuts off and trips the breaker. Measure between each lead and the metal case of the magnetron. If the microwave is on a dedicated circuit as is tripping the breaker, it could be a faulty circuit breaker, outlet, or microwave oven. Try resetting the GFCI outlet. You should schedule service and let a technician diagnose and repair the microwave. All electrical work will be done by an electrician. If it doesn’t, call an … Don't throw out that microwave just yet! Press J to jump to the feed. Oven will not start cooking. Some manufacturers also recommend installing a separate circuit for built-in microwave wall units to avoid repeated tripping. Plug the microwave in an area where the breaker is usually set for a higher amp/current rating, like your garage. Give us a call … If I open the door on the microwave it blows the main fuse in the microwave and trips the microwave breaker in the house electric panel. The microwave cooks fine, but sometimes just closing Sp> the door on the microwave trips the breaker! I don't think this will be helpful to your situation, but our microwave is wired to the same circuit as our dishwasher, some kitchen outlets, and family room outlets. It Has steadily gotten worse in last month. The inverter board has wiring with what seems to be heat damage (like dried-out looking insulation on wires, tiny burned spots, etc. Faulty Circuit Outlet. If the breaker also trips when using the kettle, perhaps the problem is the breaker or the breaker circuit and not the microwave. How to Repair a Microwave Oven: My microwave oven stopped working. If this occurs only with the microwave and then when the microwave is cooking then there is a problem in the operating circuit of either the turntable motor, internal fan or the magnetron circuit as these components are in use when cooking and you have checked that all the other circuits that can be in operation without the microwave … Swapped out the AFCI breaker for a standard 20 amp breaker, and haven't had a problem in 6 months. Plug the microwave into an area where the breaker is set for a higher amp rating (like a garage), then turn on the microwave and see what happens. Both breakers are about 2 years old now. If you have a device that regularly trips your breaker, first try using it on a different circuit. If the other breaker trips, you know the device is incompatible. The breaker does not seem to be the problem: I've moved the microwave to a different circuit and had the same results. This electrical wiring question came from Kathy, in Virginia. The high voltage diode will seem like it doesn't conduct in either polarity if you try to test it with a digital multimeter because it won't apply enough voltage. I don't remember what the resistance should be, but I don't think this is your problem because the circuit breaker keeps tripping. Report This by Manage My Life. The following steps are what I di… There is a problem with the outlet. Microwave dead, no power? It is on a dedicated line.
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